Patent US3159166A successfully refreshed from Google Patents.
US3159166A
Expired / Lapsed
US
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Engine safety control
Assignee: Motors Liquidation Co
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Filing: 1961-10-16
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Granted: 1964-12-01
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Luedemann
- 👤 Charles H Smale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:47
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SAFETY CONTROL SYSTEM FOR AN ENGINE HAVING A PART DISPLACED IN RESPONSE TO A MALFUNCTION OF THE ENGINE, THE SAFETY CONTROL COMPRISING A PUMP ACTUATED BY SAID PART HAVING A CHAMBER CONTRACTED BY SAID DISPLACEMENT, A SOURCE OF LIQUID UNDER PRESSURE, A FIRST ORIFICE CONNECTING THE SOURCE TO THE PUMP CHAMBER, A HYDRAULIC MOTOR SUPPLIED FROM THE PUMP INCLUDING RESILIENT BIASING MEANS, A SECOND ORIFICE OPENED BY MOVEMENT OF THE SAID MOTOR AGAINST SAID BIASING MEANS PROVIDING AN OUTLET ORIFICE FROM THE MOTOR SO THAT NORMAL SUPPLY OF LIQUID FROM THE SOURCE TO THE PUMP OPERATES THE MOTOR TO A FIRST EXTENT TO OPEN THE MOTOR ORIFICE AND PROVIDE CIRCULATION OF OIL THROUGH THE PUMP AND MOTOR AND INCREASED LIQUID FLOW DUE TO ACTUATION OF THE PUMP OPERATES THE MOTOR TO A GREATER EXTENT; AND ENGINE SHUTDOWN MEANS MADE EFFECTIVE BY OPERATION OF THE MOTOR TO THE SAID GREATER EXTENT.
Claim 2
Dependent Claim
151 words
A SAFETY CONTROL SYSTEM FOR AN ENGINE HAVING A PART DISPLACED IN RESPONSE TO A MALFUNCTION OF THE ENGINE, THE SAFETY CONTROL COMPRISING A PUMP ACTUATED BY SAID PART HAVING A CHAMBER CONTRACTED BY SAID DISPLACEMENT, A SOURCE OF LIQUID UNDER PRESSURE, A FIRST ORIFICE CONNECTING THE SOURCE TO THE PUMP CHAMBER, A HYDRAULIC MOTOR SUPPLIED FROM THE PUMP INCLUDING RESILIENT BIASING MEANS, A SECOND ORIFICE OPENED BY MOVEMENT OF THE SAID MOTOR AGAINST SAID BIASING MEANS PROVIDING AN OUTLET ORIFICE FROM THE MOTOR SO THAT NORMAL SUPPLY OF LIQUID FROM THE SOURCE TO THE PUMP OPERATES THE MOTOR TO A FIRST EXTENT TO OPEN THE MOTOR ORIFICE AND PROVIDE CIRCULATION OF OIL THROUGH THE PUMP AND MOTOR AND INCREASED LIQUID FLOW DUE TO ACTUATION OF THE PUMP OPERATES THE MOTOR TO A GREATER EXTENT; AND ENGINE SHUTDOWN MEANS MADE EFFECTIVE BY OPERATION OF THE MOTOR TO THE SAID GREATER EXTENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |